Process for production of composite oxide catalysts

Details Process for production of composite oxide catalysts Process for production of composite oxide catalysts

1987-03-24

1989-02-07

Dees, Carl F.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Boron or compound containing same

502214, 502249, 502311, B01J 2100, B01J 2316, B01J 2718

Patent

active

048031909

ABSTRACT:
In the production of a Mo-Bi-Na composite oxide catalyst by the process comprising incorporating compounds as respective element sources into a composite and subjecting the composite to heating treatment in an aqueous system, bismuth oxide and/or bismuth subcarbonate are/is used as a Bi source copmpound and at least a part of the heat treatment is conducted at a temperature of 450.degree. to 600.degree. C. The activity of the catalyst is significantly improved by introducing Bi in the form of the specified water insoluble compound into the catalyst.

REFERENCES:
patent: 3173957 (1965-03-01), McDaniel et al.
patent: 3806470 (1974-04-01), Aykan et al.
patent: 3951861 (1976-04-01), Shiraishi et al.
patent: 4409127 (1983-10-01), Keppel et al.
patent: 4537874 (1985-08-01), Sato et al.

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